Question: In 1835, what was the name of George Sand's spouse?
Paraphrase: What was the name of George Sand's wife, in 1835?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q3816 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1835')) }